Local Leaders OK Quapaw Casino for Pine Bluff by Sarah Campbell-Miller Posted 12/3/2018 02:18 pm Updated 4 months ago Local leaders in Jefferson County and Pine Bluff have signed off on Downstream Development Authority, owner and operator of Downstream Casino Resort, as the area's casino operator. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access articles older than 15 days. Articles newer than 15 days are not included in this offer. Purchase Now Already have archive access? Login to view this article.